Ronan O’Gara’s pre-game speech ahead of the Crusaders’ scrappy 14-8 win against the Lions in 2018 still gets raised among the players who were there. Back in Johannesburg after their title drought-snapping triumph over the Lions eight months earlier, the Crusaders were banged up and depleted. No Kieran Read, Richie Mo’unga, or Joe Moody, most notably.  They’d also dropped two of their previous three games ahead of the match at altitude, against a side desperate to avenge the result of the 2017 Super Rugby final. “He gave us a speech about going into the well. It was one of those…